A mixture of two gases A and B in the mole ratio 2 : 3 is kept in a 2 litre vessel. A second 3 litre vessel has the

same two gases in the mole ratio 3 : 5. Both gas mixtures have the same temperature and same pressure. Theyare allowed to intermix and the final temperature and pressure are the same as the initial values, the finalvolume being 5 litres. Given that the molar masses are MA and MB, what is the mean molar mass of the finalmixture ?explain with steps